5543-62-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5543-62-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,5,4 and 3 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 5543-62:
(6*5)+(5*5)+(4*4)+(3*3)+(2*6)+(1*2)=94
94 % 10 = 4
So 5543-62-4 is a valid CAS Registry Number.
InChI:InChI=1/C27H25BrN2O2/c1-17(2)23-14-25(28)18(3)12-26(23)32-16-27(31)30-29-15-24-21-10-6-4-8-19(21)13-20-9-5-7-11-22(20)24/h4-15,17H,16H2,1-3H3,(H,30,31)/b29-15+